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Date:	Fri, 3 Aug 2007 13:04:18 +0100
From:	Matthew Garrett <mjg59@...f.ucam.org>
To:	Oliver Neukum <oliver@...kum.org>
Cc:	linux-usb-devel@...ts.sourceforge.net,
	David Brownell <david-b@...bell.net>, Greg KH <gregkh@...e.de>,
	Alan Stern <stern@...land.harvard.edu>,
	linux-kernel@...r.kernel.org
Subject: Re: [linux-usb-devel] [PATCH] USB: Only enable autosuspend by default on certain device classes

On Fri, Aug 03, 2007 at 01:44:02PM +0200, Oliver Neukum wrote:
> Am Freitag 03 August 2007 schrieb Matthew Garrett:
> > It's certainly possible to do that, but it's also possible to have a 
> > userspace solution that whitelists devices. The question is whether the 
> > default kernel behaviour should be "Save power, but potentially break 
> > some of my devices" or "Don't break my devices, but use some more 
> > powre".
> 
> If both options have drawbacks, IMHO we follow the standard, which
> says that devices must support suspension.

Except that lots of hardware doesn't follow the standard in this 
respect, otherwise we wouldn't be having this discussion. Personally, I 
think "Will break an unknown number of devices" is a significantly 
larger drawback than "Will consume a small quantity of additional 
power".

-- 
Matthew Garrett | mjg59@...f.ucam.org
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